Typewriter ribbon is designed for use with Smith Corona 235DLE, 240DLE, 250DLE, 335DLE, 340DLE, 350DLE, 400DLD, 530DLD, 535DLD, 635DLD, H-Series Portable Electronic, CXL 4000, 4500, Deville 80, 100, 200, 250, 265, and MAR.